MAnagement
Use of the symbol Z for a random variable having the standard normal distribution i.e. the N(0,1) distribution, is fairly widespread. Many statistical texts use the notation zp for the value such as P(Zp) = 1 "?o p . Thus for the case of p = 0.1, 1 -p = 0.9, the required value may be obtained using Calc > Probability Distributions > Normal ... with theInverse cumulative probability option.
Use Minitab to generate the worksheet in Figure 4.41. In order to round the values of zp to two decimal places click on a cell in the column containing the values to be rounded. Next use Editor > Format Column > Numeric... , select Fixed decimal and change the number of decimal places to 2.
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